Google Chrome up to 148.0.7778.179 on Linux WebRTC use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome on Linux. Impacted is an unknown function of the component WebRTC. Such manipulation leads to use after free. This vulnerability is traded as CVE-2026-9988. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome on Linux. It has been rated as critical. Affected by this issue is an unknown code block of the component WebRTC. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use after free in WebRTC in Google Chrome on Linux prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

The advisory is shared for download at chromereleases.googleblog.com. This vulnerability is handled as CVE-2026-9988 since 05/28/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/31/2026).

Upgrading to version 148.0.7778.216 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1733). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.216

Timelineinfo

05/28/2026 CVE reserved
05/29/2026 +1 days Advisory disclosed
05/29/2026 +0 days VulDB entry created
05/31/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 513049
Status: Confirmed

CVE: CVE-2026-9988 (🔒)
GCVE (CVE): GCVE-0-2026-9988
GCVE (VulDB): GCVE-100-367064
CERT Bund: WID-SEC-2026-1733 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/29/2026 09:27
Updated: 05/31/2026 05:13
Changes: 05/29/2026 09:27 (59), 05/31/2026 05:13 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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